Universal vacuum filter



FIG. 1 is a top view of universal vacuum filter;

FIG. 2 is a front view of universal vacuum filter;

FIG. 3 is a back view of universal vacuum filter;

FIG. 4 is a bottom view of universal vacuum filter;

FIG. 5 is a right-side view of universal vacuum filter;

FIG. 6 is a left-side view of universal vacuum filter;

FIG. 7 is an enlarged perspective view of universal vacuum filter; and,

FIG. 8 is an enlarged perspective view of universal vacuum filter showing the bottom and back aspects. 

The ornamental design for a universal vacuum filter, as shown and described. 